Carrier 69NT40-511-199 User Manual
Page 126
6-32
T-268-07
NOTE
If the condenser cooling water is not being used
as drinking water or is not re-circulated in a
closed or tower system, neutralizing is not
necessary.
11. Put the unit back in service and operate under
normal load. Check the head pressure. If normal, a
thorough de-scaling has been achieved.
What You Can Do For Further Help:
Contact the Engineering and Service Department of the
OAKITE PRODUCTS CO., 19 Rector Street, New
York, NY 10006 U.S.A. for the name and address of the
service representative in your area.
Fill condenser with
cleaning solution. Do
not add solution more
rapidly than vent can
exhaust gases caused
by chemical action.
Condenser
Vent
pipe
1” Pipe
5’ Approximate
3’ to 4’
Figure 6-33. Water-Cooled Condenser Cleaning --
Gravity Circulation
Table 6-1. AMBS, DTS, RRS, RTS, SRS and STS
Temperature-Resistance Chart
Temperature
Centigrade
Temperature
Fahrenheit
Resistance
(Ohms)
RRS, RTS, SRS and STS:
0
32
32,650 91
25
77
10,000 50
AMBS and DTS
0
32
32,650 +1720
-- 1620
25
77
10,000 + 450
-- 430
Table 6-2. Partlow Bulb Temperature-Resistance
Chart
TEMPERATURE
RESISTANCE
_
_
_
_
F
_
_
_
_
C
(OHMS)
--10
--23.3
12561.00
--5
--20.6
10579.70
0
--17.8
8944.17
5
--15.0
7588.89
15
--9.4
5520.32
20
--6.7
4731.71
25
--3.9
4068.68
30
--1.1
3509.36
32
0
3310.57
35
1.7
3035.99
40
4.4
2634.10
45
7.2
2291.85
50
10.0
1999.52
55
12.8
1749.11
60
15.6
1534.00
65
18.3
1348.72
75
23.9
1050.14
80
26.7
929.87
85
29.4
825.21
90
32.2
733.93
95
35.0
654.12
100
37.8
584.19
105
40.6
522.79